Good luck Tom I hope you win the fight with all those parts and cables.
One last computer prediction, not included in the set I sent you.
Max hp for the 70cc lump head at 8.8cr, biggest cam and Cliff intake, predicted at 305hp.
Same head only 62cc gave me 9.43cr, computed to
Torq 328 at 4000
Powr 313 at 5400
Who knows, maybe more depending on the head flows.
Can't wait for the results I hope you get to do all or even most of the planned tests.